Hack The Sec-Leading Resource Of Linux Tutorial: Apache

Disabling the TRACE method in Apache2

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<h1 class="western">
<span style="color: #990000;"><span style="font-family: istok web, sans-serif; font-size: x-large;"><u><i>Disabling
the TRACE method in Apache2</i></u></span></span></h1>
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<span style="color: black;"><span style="font-family: Georgia, Times New Roman, serif; font-size: large;"><span style="font-weight: normal;">By
default, </span><a href="http://www.hackthesec.co.in/search/label/Apache" target="_blank">Apache2 </a><span style="font-weight: normal;">supports the </span>HTTP <span style="font-weight: normal;">TRACE method, which could expose
your server to certain Cross-Site Scripting attacks. In this
tutorial, I will show you how to check for TRACE support on your
<a href="http://www.hackthesec.co.in/search/label/Apache" target="_blank">Apache2 </a>server using curl, and then switch it off if it is enabled.</span></span></span></div>
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<code class="western"><span style="color: #0b5394;"><span style="font-family: istok web, sans-serif; font-size: x-large;"><u>Testing
for TRACE support with curl</u></span></span></code></h2>
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<pre style="background-attachment: initial; background-clip: initial; background-color: #363636; background-image: initial; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border-radius: 7px; border: 1px solid rgb(221, 221, 221); font-stretch: inherit; margin-bottom: 15px; margin-top: 15px; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline;"><span style="font-family: Courier New, Courier, monospace; font-size: medium;"><span style="line-height: 19px; white-space: pre-wrap;"><span style="color: white;">$ curl -i -X TRACE http://www.linuxtutorial.net/
HTTP/1.1 200 OK
Date: Wed, 13 Feb 2013 14:22:56 GMT
</span><span style="color: lime;">Server: Apache/2.2.15 (CentOS)
</span><span style="color: white;">Transfer-Encoding: chunked
Content-Type: message/http

TRACE / HTTP/1.1
</span><span style="color: lime;">User-Agent: curl/7.21.7 (x86_64-redhat-linux-gnu) libcurl/7.21.7 NSS/3.13.3.0 zlib/1.2.5 libidn/1.22 libssh2/1.2.7
</span><span style="color: white;">Host: www.linuxtutorial.net
Accept: */*</span></span></span></pre>
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<span style="color: black;"><span style="font-family: Georgia, Times New Roman, serif; font-size: large;">As
you can see, I am getting a response from the server for the TRACE
request. Now let us disable it.</span></span></div>
</h1>
<h2 align="LEFT" class="western" style="orphans: 1;">
<span style="color: #0b5394; font-size: x-large;"><u>Disabling TRACE support in Apache2</u></span></h2>
<h1 style="background-color: white; border: none; margin: 0px;">
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<span style="color: black;"><span style="font-family: Georgia, Times New Roman, serif; font-size: large;">To
switch off TRACE support, you need to open your main Apache2
configuration file which is here on my CentOS box:</span></span></div>
<pre class="western" style="background-attachment: initial; background-clip: initial; background-color: #363636; background-image: initial; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 1px solid rgb(221, 221, 221); font-family: 'istok web', sans-serif; font-size: 18pt; line-height: 0.2in; margin-bottom: 0.16in; margin-top: 0.16in; orphans: 1; padding: 0.19in 0.21in;"><span style="font-family: "courier new", "courier", monospace;"><span style="font-size: medium;"><code class="western"><span style="color: white;">nano /etc/httpd/conf/</span><span style="color: lime;">httpd.conf</span></code></span></span></pre>
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<span style="color: black;"><span style="font-family: "georgia", "times new roman", serif;"><span style="font-size: large;">Now
add this directive to that file (I added it to the bottom of the
file):</span></span></span></div>
<pre style="background-attachment: initial; background-clip: initial; background-color: #363636; background-image: initial; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border-radius: 7px; border: 1px solid rgb(221, 221, 221); font-stretch: inherit; margin-bottom: 15px; margin-top: 15px; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline;"><span style="font-family: Courier New, Courier, monospace; font-size: medium;"><span style="line-height: 19px; white-space: pre-wrap;"><span style="color: lime;">TraceEnable </span><span style="color: white;">off</span></span></span></pre>
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<span style="color: black;"><span style="font-family: "georgia", "times new roman", serif;"><span style="font-size: large;">...and
restart Apache2:</span></span></span></div>
<pre style="background-attachment: initial; background-clip: initial; background-color: #363636; background-image: initial; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border-radius: 7px; border: 1px solid rgb(221, 221, 221); font-family: 'istok web', sans-serif; font-stretch: inherit; font-weight: normal; line-height: 19px; margin-bottom: 15px; margin-top: 15px; overflow-x: auto; overflow-y: hidden; padding: 18px 20px; vertical-align: baseline; white-space: pre-wrap;"><pre class="western" style="font-size: 18pt; font-weight: bold; line-height: 0.2in; orphans: 1;"><span style="font-family: "courier new", "courier", monospace;"><span style="font-size: medium;"><span style="color: white;">service </span><span style="color: lime;">httpd restart</span></span></span></pre>
</pre>
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<span style="color: black;"><span style="font-family: "georgia", "times new roman", serif;"><span style="font-size: large;">Now
when I run the same curl command again from my client machine, this
is the response I get:</span></span></span></div>
<pre class="western" style="background-attachment: initial; background-clip: initial; background-color: #363636; background-image: initial; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 1px solid rgb(221, 221, 221); font-family: 'istok web', sans-serif; line-height: 0.2in; margin-bottom: 0.16in; margin-top: 0.16in; orphans: 1; padding: 0.19in 0.21in;"><span style="font-size: large;"><code class="western"><span style="color: white;"><span style="font-weight: normal;">$ curl -i -X TRACE http://www.linuxtutorial.net/</span></span></code>
<code class="western"><span style="color: white;"><span style="font-weight: normal;">HTTP/1.1 405 Method Not Allowed</span></span></code>
<code class="western"><span style="color: white;"><span style="font-weight: normal;">Date: Wed, 13 Feb 2013 14:30:32 GMT</span></span></code>
<span style="color: lime;"><code class="western"><span style="font-weight: normal;">Server: Apache/2.2.15 (CentOS)</span></code>
</span><code class="western"><span style="color: white;"><span style="font-weight: normal;">Allow: </span></span></code>
<code class="western"><span style="color: white;"><span style="font-weight: normal;">Content-Length: 223</span></span></code>
<code class="western"><span style="color: white;"><span style="font-weight: normal;">Content-Type: text/html; charset=iso-8859-1</span></span></code>

<span style="color: lime;"><code class="western"><span style="font-weight: normal;"><!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"></span></code>
</span><code class="western"><span style="color: white;"><span style="font-weight: normal;"><html><head></span></span></code>
<span style="color: lime;"><code class="western"><span style="font-weight: normal;"><title>405 Method Not Allowed</title></span></code>
</span><code class="western"><span style="color: white;"><span style="font-weight: normal;"></head><body></span></span></code>
<code class="western"><span style="color: white;"><span style="font-weight: normal;"><h1>Method Not Allowed</h1></span></span></code>
<code class="western"><span style="color: white;"><span style="font-weight: normal;"><p>The requested method TRACE is not allowed for the URL /.</p></span></span></code>
<span style="font-family: "courier new", "courier", monospace;"><code class="western"><span style="color: white;"><span style="font-weight: normal;"></body></html></span></span></code></span></span></pre>
<pre class="western" style="background-attachment: initial; background-clip: initial; background-color: #363636; background-image: initial; background-origin: initial; background-position: initial; background-repeat: initial; background-size: initial; border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 1px solid rgb(221, 221, 221); font-family: 'istok web', sans-serif; line-height: 0.2in; margin-bottom: 0.16in; margin-top: 0.16in; orphans: 1; padding: 0.19in 0.21in;"><span style="font-size: large;"><span style="font-family: "courier new", "courier", monospace;"><code class="western"><span style="color: white;"><span style="font-weight: normal;"><a href="http://www.hackthesec.co.in/" target="_blank">www.hackthesec.co.in</a>
@hackthesecurity</span></span></code></span></span></pre>
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Disabling the TRACE method in Apache2

Disabling the TRACE method in Apache2 By default, Apache2 supports the HTTP TRACE method, which could expose your server to certain C...

How to Install PHP 7.0 Apache 2.4, and MySQL 5.6 on CentOS / RHEL 7.1 and 6.7

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<span style="color: #cc0000;"><u><i>Install PHP 7.0, Apache 2.4, & MySQL 5.6 on CentOS / RHEL 7.1 & 6.7</i></u></span></h2>
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<span style="font-family: Georgia, Times New Roman, serif;"><span style="background-color: white; font-size: 16px; line-height: 28px;">Few days ago most awaited PHP version 7.0 has been released. which has many number of changes and improvements than over version 5.X. This article will help you to install PHP 7 Apache 2.4 and MySQL 5.6 on CentOS / RHEL 7.1 & 6.7 operating systems. This tutorial has been tested with CentOS 7.1, so all the services command are used with systemctl, For CentOS 6 users change all </span><span style="background-color: white; border: 0px; font-size: 16px; font-weight: 700; line-height: 28px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">systemctl</span><span style="background-color: white; font-size: 16px; line-height: 28px;"> command correspondence </span><span style="background-color: white; border: 0px; font-size: 16px; font-weight: 700; line-height: 28px; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">service</span><span style="background-color: white; font-size: 16px; line-height: 28px;"> command.</span></span></div>
<div>
<ul style="text-align: left;">
<li><span style="color: red; font-family: Georgia, Times New Roman, serif; font-size: large;"><span style="line-height: 28px;"><a href="http://www.hackthesec.co.in/2016/01/how-to-install-epel-repo-on-centos-and.html" target="_blank">How To Install EPEL REPO On CENTOS/RHEL7</a></span></span></li>
</ul>
</div>
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<div>
<h2 class="heading1" style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 24px; font-weight: bolder; line-height: 34px; margin: 45px 0px 12px; opacity: 1; outline: 0px; padding: 0px; transition: opacity 0.24s ease-in-out; vertical-align: baseline; visibility: visible;">
<span style="color: #0b5394;">1. Setup Yum Repository</span></h2>
<div style="background-color: white; border: 0px; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
<span style="font-family: Georgia, Times New Roman, serif;">In the first step install all the required yum repositories in your system used in remaining tutorial for various installations. You are adding REMI, <a href="http://www.hackthesec.co.in/2016/01/how-to-install-epel-repo-on-centos-and.html" target="_blank">EPEL</a>, Webtatic & MySQL community server repositories in your system.</span></div>
<h3 class="heading2" style="background-color: white; border: 0px; color: #0379bf; font-family: 'Roboto Slab'; font-size: 20px; font-weight: bolder; line-height: 30px; margin: 0px 0px 8px; opacity: 1; outline: 0px; padding: 0px; transition: opacity 0.24s ease-in-out; vertical-align: baseline; visibility: visible;">
CentOS / RHEL 7</h3>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="font-family: Courier New, Courier, monospace; font-size: large;"><span style="color: white;"># yum </span><span style="color: lime;">install epel-release</span><span style="color: white;">
# rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-7.rpm
</span><span style="color: lime;"># rpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm
</span><span style="color: white;"># rpm -Uvh http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm</span></span><span style="color: white; font-size: 0.9em;">
</span></pre>
<h3 class="heading2" style="background-color: white; border: 0px; color: #0379bf; font-family: 'Roboto Slab'; font-size: 20px; font-weight: bolder; line-height: 30px; margin: 0px 0px 8px; opacity: 1; outline: 0px; padding: 0px; transition: opacity 0.24s ease-in-out; vertical-align: baseline; visibility: visible;">
CentOS / RHEL 6</h3>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="font-family: Courier New, Courier, monospace; font-size: large;"><span style="color: white;"># yum install epel-release
</span><span style="color: lime;"># rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-6.rpm
</span><span style="color: white;"># rpm -Uvh https://mirror.webtatic.com/yum/el6/latest.rpm
# rpm -Uvh http://repo.mysql.com/mysql-community-release-el6-5.noarch.rpm</span></span><span style="color: white; font-size: 0.9em;">
</span></pre>
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<span style="color: #0b5394;">2. Install PHP 7</span></h2>
<div style="background-color: white; border: 0px; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
<span style="font-family: Georgia, Times New Roman, serif;">Now install php 7 packages from webtatic rpm repository using following command.</span></div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="font-family: Courier New, Courier, monospace; font-size: large;"><span style="color: white;"># yum </span><span style="color: lime;">install php70w</span><span style="color: white;">
</span></span></pre>
<div style="background-color: white; border: 0px; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
<span style="font-family: Georgia, Times New Roman, serif;">Now install required php modules. Use following command to list available modules in yum repositories.</span></div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="font-family: Courier New, Courier, monospace; font-size: large;"><span style="color: white;"># yum search </span><span style="color: lime;">php70w</span><span style="color: white;">
</span></span></pre>
<div style="background-color: white; border: 0px; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
<span style="font-family: Georgia, Times New Roman, serif;">Now check all listed modules in above command and install required modules like below.</span></div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="font-family: Courier New, Courier, monospace; font-size: large;"><span style="color: white;"># yum install </span><span style="color: lime;">php70w-mysql php70w-xml php70w-soap php70w-xmlrpc </span><span style="color: white;">
# yum install php70w-mbstring php70w-json php70w-gd </span><span style="color: lime;">php70w-mcrypt</span></span><span style="color: white; font-size: 0.9em;">
</span></pre>
<div style="background-color: white; border: 0px; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
<span style="font-family: Georgia, Times New Roman, serif;">After installing php and other php modules restart Apache service.</span></div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="font-family: Courier New, Courier, monospace; font-size: large;"><span style="color: white;"># systemctl </span><span style="color: lime;"><orange>restart</orange> httpd.service</span><span style="color: white;">
</span></span></pre>
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<span style="color: #0b5394;">3. Install Apache 2.4</span></h2>
<div style="background-color: white; border: 0px; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
<span style="font-family: Georgia, Times New Roman, serif;">Apache (HTTPD) is the most popular web server used on Linux systems. Let’s install Apache web server using following command with enabling epel and remi yum repositories.</span></div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="font-family: Courier New, Courier, monospace; font-size: large;"><span style="color: white;"># yum --enablerepo=</span><span style="color: lime;"><orange>epel,remi</orange> install httpd</span><span style="color: white;">
</span></span></pre>
<div style="background-color: white; border: 0px; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
<span style="font-family: Georgia, Times New Roman, serif;">Now start httpd service and enable to start on boot using below commands.</span></div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="font-family: Courier New, Courier, monospace; font-size: large;"><span style="color: white;"># </span><span style="color: lime;">systemctl <orange>start</orange></span><span style="color: white;"> httpd.service
# systemctl </span><orange style="color: orange;">enabel</orange><span style="color: white;"> httpd.service</span></span><span style="color: white; font-size: 0.9em;">
</span></pre>
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<span style="color: #0b5394;">4. Install MySQL 5.6</span></h2>
<div style="background-color: white; border: 0px; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
<span style="font-family: Georgia, Times New Roman, serif;">In step 1 we already have installed required yum repository in your system. Lets use following command to install MySQL server on your system.</span></div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="font-family: Courier New, Courier, monospace; font-size: large;"><span style="color: white;"># yum </span><span style="color: lime;"><orange>install</orange> mysql-server</span><span style="color: white;">
</span></span></pre>
<div style="background-color: white; border: 0px; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
<span style="font-family: Georgia, Times New Roman, serif;">Apply security on mysql and also set root user password.</span></div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); color: white; line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="font-family: Courier New, Courier, monospace; font-size: large;"># systemctl <orange style="color: orange;">start</orange> mysqld.service
# mysql_secure_installation</span><span style="font-size: 0.9em;">
</span></pre>
<div style="background-color: white; border: 0px; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
<span style="font-family: Georgia, Times New Roman, serif;">Now restart MySQL service and enable to start on system boot.</span></div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); color: white; line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="font-family: Courier New, Courier, monospace; font-size: large;"># systemctl <orange style="color: orange;">restart</orange> mysqld.service
# systemctl <orange style="color: orange;">enable</orange> mysqld.service</span><span style="font-size: 0.9em;">
</span></pre>
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<span style="color: #0b5394;">5. Open Port in Firewall</span></h2>
<div style="background-color: white; border: 0px; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
<span style="font-family: Georgia, Times New Roman, serif;">Finally open firewall ports for http (80) and https (443) services using following command.</span></div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); color: white; line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="font-family: Courier New, Courier, monospace; font-size: large;"># firewall-cmd --permanent --zone=public --add-service=<orange style="color: orange;">http</orange> 
# firewall-cmd --permanent --zone=public --add-service=<orange style="color: orange;">https</orange> 
# firewall-cmd --reload</span><span style="font-size: 0.9em;">
</span></pre>
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<span style="color: #0b5394;">6. Check Installed Version</span></h2>
<div style="background-color: white; border: 0px; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
<span style="font-family: Georgia, Times New Roman, serif;">Let’s check the installed versions of packages on system using following commands one by one.</span></div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); color: white; line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="font-family: Courier New, Courier, monospace; font-size: large;"># <orange style="color: orange;">php -v</orange>

<orange style="color: orange;">PHP 7.0.0</orange> (cli) (built: Feb  2 2016 20:42:32) ( NTS )
Copyright (c) 1997-2015 The PHP Group
Zend Engine v3.0.0, Copyright (c) 1998-2015 Zend Technologies
</span><span style="font-size: 0.9em;">
</span></pre>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); color: white; line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="font-family: Courier New, Courier, monospace; font-size: large;"># <orange style="color: orange;">httpd -v</orange>

Server version: <orange style="color: orange;">Apache/2.4.6</orange> (CentOS)
</span><span style="font-size: 0.9em;">
</span></pre>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); color: white; line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="font-family: Courier New, Courier, monospace; font-size: large;"># <orange style="color: orange;">mysql -V</orange>

mysql  Ver 14.14 Distrib <orange style="color: orange;">5.6.28</orange>, for Linux (x86_64) using  EditLine wrapper</span><span style="font-size: 0.9em;">
</span></pre>
<div style="background-color: white; border: 0px; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
<span style="font-family: Georgia, Times New Roman, serif;">Now you have successfully configured LAMP setup on your CentOS / RHEL 7.1 & 6.7 system.</span></div>
<div style="background-color: white; border: 0px; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
<span style="font-family: Georgia, Times New Roman, serif;"><a href="http://www.hackthesec.co.in/" target="_blank">www.hackthesec.co.in</a><br /><a href="http://www.twitter.com/hackthesecurity">www.twitter.com/hackthesecurity</a></span></div>
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How to Install PHP 7.0 Apache 2.4, and MySQL 5.6 on CentOS / RHEL 7.1 and 6.7

Install PHP 7.0, Apache 2.4, & MySQL 5.6 on CentOS / RHEL 7.1 & 6.7 Few days ago most awaited PHP version 7.0 has been released....

How to Enable Apache mod_rewrite Module in Ubuntu & LinuxMint

How to Enable Apache mod_rewrite Module in Ubuntu & LinuxMint

Enable Apache mod_rewrite Module in Ubuntu & LinuxMint Some times you faced issues that Apache server is not reading your .htaccess...

How to Install PHP 7, NGINX & MySQL on Ubuntu 15.10 & 14.04

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<h2 class="title single-title title20" style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 28px; line-height: 38px; margin: 0px 0px 5px; opacity: 1; outline: 0px; padding: 0px; transition: opacity 0.24s ease-in-out; vertical-align: baseline; visibility: visible;">
<span style="color: #990000;"><u><i>Install PHP 7, NGINX & MySQL on Ubuntu</i></u></span></h2>
<div>
<span style="background-color: white; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px;">The latest major release of <a href="http://www.hackthesec.co.in/search/label/PHP">PHP </a>version 7.0 has been released with lots of speed optimizations and security. So you should try this version for your development. This tutorial will help you to install <a href="http://www.hackthesec.co.in/search/label/PHP">PHP </a>7.0, Nginx, & <a href="http://www.hackthesec.co.in/search/label/Mysql">MySQL </a>5.6 on Ubuntu 15.10, 14.04 and 12.04 LTS release.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjHkeYKLAYt3CaCmZ_XRjpD5Z49mXNT8YcOjaXaTzZtP_2pcDpAtsdu_ur3tbzRj5dSF55ysYGz05e7erLWISuEs0gZcKJ-8qvXtWL32FHfGKH2gTEgSHRtPCcHICZF7FUx2R3uDioyYU1Q/s1600/php7-nginx-mysql_www.hackthesec.co.in.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjHkeYKLAYt3CaCmZ_XRjpD5Z49mXNT8YcOjaXaTzZtP_2pcDpAtsdu_ur3tbzRj5dSF55ysYGz05e7erLWISuEs0gZcKJ-8qvXtWL32FHfGKH2gTEgSHRtPCcHICZF7FUx2R3uDioyYU1Q/s1600/php7-nginx-mysql_www.hackthesec.co.in.png" /></a></div>
<div>
<span style="background-color: white; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px;"><br /></span></div>
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<span style="color: #0b5394;">Step 1 – Install PHP 7 with PHP-FPM</span></h2>
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First install python-software-properties package on your system which provides add-apt-repository command then use the following set of commands to add PPA for <a href="http://www.hackthesec.co.in/search/label/PHP">PHP </a>7 in your Ubuntu system and install it.</div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="color: white;">$ sudo apt-get install python-software-properties
</span><span style="color: lime;">$ sudo add-apt-repository ppa:ondrej/php
</span><span style="color: white;">$ sudo apt-get update
$ sudo apt-get install -y php7.0 php7.0-fpm</span><span style="color: white; font-size: 0.9em;">
</span></pre>
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<span style="color: #0b5394;">Step 2 — Install Nginx</span></h2>
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First we will install Latest <b>Nginx web server</b> on our system. Use the following commands to add PPA for installing latest Nginx version on your Ubuntu 14.04 (<b>Trusty</b>).</div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="color: white;">$ echo "deb http://nginx.org/packages/mainline/ubuntu/ `lsb_release -cs` nginx" >> /etc/apt/sources.list
</span><span style="color: lime;">$ echo "deb-src http://nginx.org/packages/mainline/ubuntu/ `lsb_release -cs` nginx"  >> /etc/apt/sources.list<span style="font-size: 0.9em;">
</span></span></pre>
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and use the following commands to install Nginx web server.</div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="color: white;">$ curl http://nginx.org/keys/nginx_signing.key | apt-key add -
$ sudo apt-get update
$ sudo apt-get </span><span style="color: lime;">install nginx</span><span style="color: white; font-size: 0.9em;">
</span></pre>
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<span style="color: #0b5394;">Step 3 — Install <a href="http://www.hackthesec.co.in/search/label/Mysql">MySQL </a>5.6</span></h2>
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Use the following commands to install or upgrade MySQL 5.6 on your Ubuntu systems. At the last update of this tutorial <a href="http://www.hackthesec.co.in/search/label/Mysql">MySQL </a>5.6.27 is latest available MySQL version in series of MySQL 5.6.X.</div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="color: lime;">$ sudo add-apt-repository -y ppa:ondrej/mysql-5.6
</span><span style="color: white;">$ sudo apt-get update
$ sudo apt-get install </span><span style="color: lime;">mysql-server-5.6</span><span style="color: white; font-size: 0.9em;">
</span></pre>
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<span style="color: #0b5394;">Step 4 — Install Other Requirements</span></h2>
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You may also need to install modules like PHP7-MySQL, etc based on your application requirements. Use the following command to find our available php 7 modules.</div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="color: white;">$ sudo </span><span style="color: lime;">apt-cache search php7-* </span><span style="color: white; font-size: 0.9em;">
</span></pre>
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Above command will list all available PHP7 modules for installation, Let’s begin installation of modules.</div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="color: white;">$ sudo apt-get install</span><span style="color: lime;"> php7.0-mysql php7.0-curl php7.0-json</span><span style="color: white;">
</span></pre>
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<span style="color: #0b5394;">Step 5 — Configure PHP-FPM</span></h2>
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PHP-FPM (FastCGI Process Manager) is an alternative PHP FastCGI implementation with some additional features.</div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="color: white;">$ sudo nano /</span><span style="color: lime;">etc/php/7.0/fpm/php.ini</span><span style="color: white;">
</span></pre>
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<span style="color: red;">un-comment cgi.fix_pathinfo=1 </span>line and set value to 0.</div>
<pre class="pretty" style="background: none 0px 0px repeat scroll rgb(240, 240, 240); border-left-color: rgb(116, 183, 63); border-left-width: 3px; border-radius: 5px; border-style: none none none solid; line-height: 1.5em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 8px 20px 8px 18px; vertical-align: baseline;">cgi.fix_pathinfo=0
</pre>
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Now set the listen parameter in<span style="color: red;"> /etc/php/7.0/fpm/pool.d/www.conf</span> configuration file. Here you can use php7.0-fpm socket to work or start php7.0-fpm service on specific port. We are going to use it as service .</div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="color: lime;">$ sudo nano /etc/php/7.0/fpm/pool.d/www.conf
</span></pre>
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Now make changes in configuration file as below. Commend listen with socket file and enable it as service</div>
<pre class="pretty" style="background: none 0px 0px repeat scroll rgb(240, 240, 240); border-left-color: rgb(116, 183, 63); border-left-width: 3px; border-radius: 5px; border-style: none none none solid; line-height: 1.5em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 8px 20px 8px 18px; vertical-align: baseline;">#listen = /run/php/php7.0-fpm.sock
listen = 127.0.0.1:9000<span style="font-size: 0.9em;">
</span></pre>
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<span style="color: #0b5394;">Step 6 — Configure Nginx VirtualHost</span></h2>
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Finally do the configuration of Nginx <b>virtualhost</b>. For this example we are editing default configuration file.</div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); color: white; line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;">$ sudo nano /etc/nginx/conf.d/default.conf
</pre>
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and make changes as below.</div>
<pre class="pretty" style="background: none 0px 0px repeat scroll rgb(240, 240, 240); border-left-color: rgb(116, 183, 63); border-left-width: 3px; border-radius: 5px; border-style: none none none solid; line-height: 1.5em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 8px 20px 8px 18px; vertical-align: baseline;">server {
        listen   80;
     
        root /var/www;
        index index.php index.html index.htm;
        server_name  example.com www.example.com;

location / {
                try_files $uri $uri/ /index.html;
        }

error_page 404 /404.html;
        error_page 500 502 503 504 /50x.html;
        location = /50x.html {
              root /usr/share/nginx/www;
        }

location ~ \.php$ {
                try_files $uri =404;
                fastcgi_pass 127.0.0.1:9000;
                fastcgi_index index.php;
                fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
                include fastcgi_params;
        }
}<span style="font-size: 0.9em;">
</span></pre>
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You have to do the same changes in all VirtualHosts configured.</div>
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<span style="color: #0b5394;">Step 7 – Restart Services</span></h2>
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After installing all services on your system, start all required services.</div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="color: white;">$ sudo service </span><span style="color: lime;">nginx restart</span><span style="color: white;">
$ sudo service php7.0-fpm restart</span><span style="color: white; font-size: 0.9em;">
</span></pre>
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<span style="color: #0b5394;">Step 8 – Open Access in Firewall</span></h4>
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If you are using iptables, Use following commands to open port 80 for public access of webserver.</div>
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Iptables Users:</h3>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="color: white;">$ sudo </span><span style="color: lime;">iptables -A INPUT -m state</span><span style="color: white;"> --state NEW -p tcp --dport 80 -j ACCEPT
</span></pre>
<h3 class="heading2" style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 20px; font-weight: bolder; line-height: 30px; margin: 0px 0px 8px; opacity: 1; outline: 0px; padding: 0px; transition: opacity 0.24s ease-in-out; vertical-align: baseline; visibility: visible;">
<span style="color: #0b5394;">UFW Users:</span></h3>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="color: white;">$ sudo ufw </span><span style="color: lime;">allow 80/tcp</span><span style="color: white;">
</span></pre>
<h2 class="heading1" style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 24px; font-weight: bolder; line-height: 34px; margin: 45px 0px 12px; opacity: 1; outline: 0px; padding: 0px; transition: opacity 0.24s ease-in-out; vertical-align: baseline; visibility: visible;">
<span style="color: #0b5394;">Step 9 – Verify Setup</span></h2>
<div style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
Finally verify installation of <b>PHP </b>7 with <b>NGINX</b>. Let’s create a file info.php on website document root using following content.</div>
<pre class="brush: php; title: ; notranslate" style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;" title=""><span style="color: white;"><?php
</span><span style="color: lime;">phpinfo</span><span style="color: white;">();
?></span><span style="color: white; font-size: 0.9em;">
</span></pre>
<div style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
Now browse this file in web browser. It will so all the details about version’s and installation.</div>
<div class="separator" style="clear: both; text-align: center;">
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</div>
</div>

How to Install PHP 7, NGINX & MySQL on Ubuntu 15.10 & 14.04

Install PHP 7, NGINX & MySQL on Ubuntu The latest major release of PHP version 7.0 has been released with lots of speed optimization...

How to install webmin on centos 6

<div dir="ltr" style="text-align: left;" trbidi="on">
<h1 style="clear: both; font-family: Trebuchet, 'Trebuchet MS', Arial, Verdana, sans-serif; font-size: 30px; font-weight: normal; height: auto; line-height: 31px; margin: 0px; padding: 0px; text-align: center; width: 614px;">
<span style="color: #990000;"><i><u>Install webmin on centos 6</u></i></span></h1>
<div>
<span style="font-size: large;"><a href="http://www.webmin.com/" rel="nofollow" style="background-color: white; color: #0f4884; font-family: Trebuchet, 'Trebuchet MS', Arial, Verdana, sans-serif; line-height: 30px; text-decoration: none;" title="Webmin">Webmin</a><span style="background-color: white;"><span style="color: #222222; font-family: Trebuchet, Trebuchet MS, Arial, Verdana, sans-serif;"><span style="line-height: 30px;"> is a web-based interface for system administration for Unix. Using any modern web browser, you can setup user accounts, Apache, DNS, file sharing and much more. Webmin removes the need to manually edit Unix configuration files like /etc/passwd, and lets you manage a system from the console or remotely. See the <a href="http://www.webmin.com/standard.html">standard modules</a> page for a list of all the functions built into Webmin .</span></span></span></span></div>
<div>
<ul style="text-align: left;">
<li><a href="http://www.hackthesec.co.in/2016/01/how-to-install-usermin-on-centos.html" style="background-color: white; font-family: Trebuchet, 'Trebuchet MS', Arial, Verdana, sans-serif; line-height: 30px;"><span style="color: red; font-size: large;">How to Install Usermin On Linux</span></a></li>
</ul>
</div>
<div class="separator" style="clear: both; text-align: center;">
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<div>
<h2 style="background-color: white; clear: both; font-family: Trebuchet, 'Trebuchet MS', Arial, Verdana, sans-serif; font-size: 24px; font-weight: normal; height: auto; line-height: 28px; margin: 0px; padding: 0px; width: 614px;">
<span style="color: #0b5394;">Webmin installation on centos 6.</span></h2>
<div>
<br /></div>
<div style="background-color: white; font-family: Trebuchet, 'Trebuchet MS', Arial, Verdana, sans-serif; font-size: 16px; line-height: 30px;">
<strong style="color: #222222;">Step 1 :</strong><span style="color: #222222;"> Create a new file </span><strong><span style="color: red;">webmin.repo</span></strong><span style="color: #222222;"> in </span><strong><span style="color: red;">/etc/yum/repos.d/</span></strong><span style="color: #222222;"> and add the below code.</span></div>
<div style="background-color: white;">
<code style="background-color: #0e0e0e; border-radius: 5px; display: block; padding: 4px;"><code style="border-radius: 5px; display: block; padding: 4px;"><span style="font-family: Verdana, MS Sans Serif, sans-serif, serif;"><span style="font-size: 14px; line-height: 25px;"><span style="color: white;">[</span><span style="color: lime;">Webmin</span><span style="color: white;">]</span></span></span><span style="color: white; font-family: Verdana, 'MS Sans Serif', sans-serif, serif; font-size: 14px; line-height: 25px;">name=Webmin Distribution Neutral</span><span style="color: white; font-family: Verdana, 'MS Sans Serif', sans-serif, serif; font-size: 14px; line-height: 25px;">#baseurl=http://download.webmin.com/download/yum</span></code><code style="border-radius: 5px; display: block; padding: 4px;"><span style="color: white; font-family: Verdana, MS Sans Serif, sans-serif, serif;"><span style="font-size: 14px; line-height: 25px;">mirrorlist=http://download.webmin.com/download/yum/mirrorlist</span></span></code><code style="border-radius: 5px; display: block; padding: 4px;"><span style="color: white; font-family: Verdana, MS Sans Serif, sans-serif, serif;"><span style="font-size: 14px; line-height: 25px;">enabled=1</span></span></code></code><div style="color: #333333; font-family: Trebuchet, 'Trebuchet MS', Arial, Verdana, sans-serif; font-size: 16px; line-height: 30px;">
<span style="color: white;"><br /></span></div>
</div>
<div style="background-color: white; font-family: Trebuchet, 'Trebuchet MS', Arial, Verdana, sans-serif; font-size: 16px; line-height: 30px;">
<strong style="color: #222222;">Step 2 :</strong><span style="color: #222222;"> Install webmin GPG key using below command.</span><br /><code style="background-color: #0e0e0e; border-radius: 5px; display: block; font-family: Verdana, 'MS Sans Serif', sans-serif, serif; font-size: 14px; line-height: 25px; padding: 4px;"><span style="color: white;">rpm --import http://www.</span><span style="color: lime;">webmin</span><span style="color: white;">.com/jcameron-key.asc</span></code><br /><strong style="color: #222222;">Step 3 :</strong><span style="color: #222222;"> Update the repositories.</span><br /><code style="background-color: #0e0e0e; border-radius: 5px; display: block; font-family: Verdana, 'MS Sans Serif', sans-serif, serif; font-size: 14px; line-height: 25px; padding: 4px;"><span style="color: white;">yum </span><span style="color: lime;">check-update</span></code><br /><strong style="color: #222222;">Step 4 :</strong><span style="color: #222222;"> Now install webmin package using yum .</span><br /><code style="background-color: #0e0e0e; border-radius: 5px; display: block; font-family: Verdana, 'MS Sans Serif', sans-serif, serif; font-size: 14px; line-height: 25px; padding: 4px;"><span style="color: white;">yum install </span><span style="color: lime;">webmin</span></code><br /><strong style="color: #222222;">Step 5 :</strong><span style="color: #222222;"> Start the service and make it start automatically.</span><br /><code style="background-color: #0e0e0e; border-radius: 5px; display: block; font-family: Verdana, 'MS Sans Serif', sans-serif, serif; font-size: 14px; line-height: 25px; padding: 4px;"><span style="color: white;">chkconfig </span><span style="color: lime;">webmin</span><span style="color: white;"> on</span></code><br /><code style="background-color: #0e0e0e; border-radius: 5px; color: white; display: block; font-family: Verdana, 'MS Sans Serif', sans-serif, serif; font-size: 14px; line-height: 25px; padding: 4px;">service webmin start</code><br /><strong style="color: #222222;">Step 6 :</strong><span style="color: #222222;"> By default, Webmin will listen on port 10000, Allow this port in iptables if it is enabled.</span><br /><code style="background-color: #0e0e0e; border-radius: 5px; display: block; font-family: Verdana, 'MS Sans Serif', sans-serif, serif; font-size: 14px; line-height: 25px; padding: 4px;"><span style="color: white;">iptables -I INPUT -p tcp --dport </span><span style="color: lime;">10000</span><span style="color: white;"> -j ACCEPT</span></code><br /><code style="background-color: #0e0e0e; border-radius: 5px; display: block; font-family: Verdana, 'MS Sans Serif', sans-serif, serif; font-size: 14px; line-height: 25px; padding: 4px;"><span style="color: white;">service </span><span style="color: lime;">iptables</span><span style="color: white;"> save</span></code><br /><strong style="color: #222222;">Step 7 :</strong><span style="color: #222222;"> Now open </span><span style="color: red;">http://serverip:10000</span><span style="color: #222222;"> in your browser, you could see the below screen after login ( Use root username and password ).</span></div>
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<div style="background-color: white; font-family: Trebuchet, 'Trebuchet MS', Arial, Verdana, sans-serif; font-size: 16px; line-height: 30px;">
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); color: white; font-size: 12px; line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><a href="http://www.hackthesec.co.in/" style="color: #999999; text-decoration: none;" target="_blank">Hack The Security</a>
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<a href="https://www.facebook.com/htsecu/" style="color: #999999; text-decoration: none;" target="_blank">Hack The Security Facebook Page</a></pre>
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How to install webmin on centos 6

Install webmin on centos 6 Webmin is a web-based interface for system administration for Unix. Using any modern web browser, you can se...

How to Enable HTTP/2.0 in Apache

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<h2 class="title single-title title20" style="-webkit-transition: opacity 0.24s ease-in-out; background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 28px; line-height: 38px; margin: 0px 0px 5px; opacity: 1; outline: 0px; padding: 0px; text-align: center; transition: opacity 0.24s ease-in-out; vertical-align: baseline; visibility: visible;">
<span style="color: #990000;">Enable HTTP/2.0 in Apache</span></h2>
<div>
<div style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
HTTP/2 (HTTP/2.0) is the major upgrade over older version HTTP/1.1 protocol.HTTP/1 was released in 1997 and after a long time the HTTP/2 is released in 2015. HTTP/2 protocol is based on SPDY (generally known as speedy). Some of the key improvements of HTTP/2 are:</div>
<ul style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin: 0px 0px 20px; outline: 0px; padding: 0px; vertical-align: baseline;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRfzX8891XlZ3GSmUKBfVQWYHbJq9ePIvrusvCt7O368M31f-hfprjN_8bVPypAWKTe48HzPvOz6JxXoLwgs9JXYIXL8NKdx5h84WQF-xCRZ8PXBPIoxlbqnBrGGM5LEqx2L0ycXRdYwtD/s1600/http2_www.hackthesec.co.in.png" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" height="172" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRfzX8891XlZ3GSmUKBfVQWYHbJq9ePIvrusvCt7O368M31f-hfprjN_8bVPypAWKTe48HzPvOz6JxXoLwgs9JXYIXL8NKdx5h84WQF-xCRZ8PXBPIoxlbqnBrGGM5LEqx2L0ycXRdYwtD/s320/http2_www.hackthesec.co.in.png" width="320" /></a>
<li style="border: 0px; font-size: inherit; margin: 0px 0px 0px 30px; outline: 0px; padding: 0px; vertical-align: baseline;"><span style="border: 0px; font-size: inherit; font-weight: 700; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Server push:</span> Server will pro-actively sent components to clients, So clients doesn’t need to wait for sending requests to server.</li>
<li style="border: 0px; font-size: inherit; margin: 0px 0px 0px 30px; outline: 0px; padding: 0px; vertical-align: baseline;"><span style="border: 0px; font-size: inherit; font-weight: 700; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Multiplexing:</span> Reducing number of active connection by bundling multiple HTTP requests from client and sent to server.</li>
<li style="border: 0px; font-size: inherit; margin: 0px 0px 0px 30px; outline: 0px; padding: 0px; vertical-align: baseline;"><span style="border: 0px; font-size: inherit; font-weight: 700; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">Encryption</span>: efficiently use to encryption with TLS protocol in HTTP/2 over HTTP/1.1.</li>
<li style="border: 0px; font-size: inherit; margin: 0px 0px 0px 30px; outline: 0px; padding: 0px; vertical-align: baseline;"><span style="border: 0px; font-size: inherit; font-weight: 700; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">HTTP header compression:</span> Compressed headers will reduce the overhead of additional requests to web server.</li>
</ul>
<h2 class="heading1" style="-webkit-transition: opacity 0.24s ease-in-out; background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 24px; font-weight: bolder; line-height: 34px; margin: 45px 0px 12px; opacity: 1; outline: 0px; padding: 0px; transition: opacity 0.24s ease-in-out; vertical-align: baseline; visibility: visible;">
<span style="color: #0b5394;">Install or Update Apache</span></h2>
<div style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
HTTP/2 protocol supported over <span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-size: inherit; font-weight: 700; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;"><a href="http://www.hackthesec.co.in/search/label/Apache" target="_blank">Apache</a> version >=2.4.17</span>. So make sure that your <a href="http://www.hackthesec.co.in/search/label/Apache" target="_blank">Apache</a> version supporting HTTP/2 protocol. If you have not installed Apache or using older version upgrade it first. Use the following commands to add PPA for installing latest Apache2 version on your Ubuntu system.</div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="color: white;">$ sudo apt-get install </span><span style="color: lime;">python-software-properties</span><span style="color: white;">
$ sudo add-apt-repository ppa:ondrej/apache2
$ sudo </span><span style="color: lime;">apt-get</span><span style="color: white;"> update
$ sudo apt-get install </span><span style="color: lime;">apache2</span><span style="color: white; font-size: 0.9em;">
</span></pre>
<h2 class="heading1" style="-webkit-transition: opacity 0.24s ease-in-out; background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 24px; font-weight: bolder; line-height: 34px; margin: 45px 0px 12px; opacity: 1; outline: 0px; padding: 0px; transition: opacity 0.24s ease-in-out; vertical-align: baseline; visibility: visible;">
<span style="color: #0b5394;">Verify Apache Version</span></h2>
<div style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
After successful installation of <a href="http://www.hackthesec.co.in/search/label/Apache" target="_blank">Apache2</a> web server on your system, make sure you have Apache >=2.4.17, Earlier version does not supports HTTP/2 protocol.</div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="color: white;">$ apache2 -v

Server version: </span><span style="color: lime;">Apache/2.4.17 (Ubuntu)</span><span style="color: white;">
Server built:   2015-11-05T00:00:00</span><span style="color: white; font-size: 0.9em;">
</span></pre>
<h2 class="heading1" style="-webkit-transition: opacity 0.24s ease-in-out; background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 24px; font-weight: bolder; line-height: 34px; margin: 45px 0px 12px; opacity: 1; outline: 0px; padding: 0px; transition: opacity 0.24s ease-in-out; vertical-align: baseline; visibility: visible;">
<span style="color: #0b5394;">Enable HTTP/2 in <a href="http://www.hackthesec.co.in/search/label/Apache" target="_blank">Apache</a></span></h2>
<div style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
HTTP/2 protocol requires SSL/TLS virtual hosts. You can’t use HTTP/2 protocol without SSL/TLS enabled websites. Now edit your website VirtualHost and add <orange>http2</orange> keyword in listen section.</div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); color: white; line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;">$ sudo a2enmod http2
$ sudo service apache2 restart<span style="font-size: 0.9em;">
</span></pre>
<h2 class="heading1" style="-webkit-transition: opacity 0.24s ease-in-out; background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 24px; font-weight: bolder; line-height: 34px; margin: 45px 0px 12px; opacity: 1; outline: 0px; padding: 0px; transition: opacity 0.24s ease-in-out; vertical-align: baseline; visibility: visible;">
<span style="color: #0b5394;">Verify HTTP/2</span></h2>
<div style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
Now configure a VirtualHost with SSL for your domain and use following online tool for testing HTTP/2 support on your website.</div>
<div style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
<span style="color: red; outline: none; text-decoration: none;"><a href="https://tools.keycdn.com/http2-test" style="outline: none; text-decoration: none;" target="_blank">https://tools.keycdn.com/http2-test</a><br /><a href="http://www.hackthesec.co.in/" target="_blank">Hack The Security</a><br /><a href="https://www.twitter.com/hackthesecurity" target="_blank">Hack The Security Twitter</a><br /><a href="http://facebook.com/htsecu" target="_blank">Hack The Security Facebook</a></span></div>
</div>
</div>

How to Enable HTTP/2.0 in Apache

Enable HTTP/2.0 in Apache HTTP/2 (HTTP/2.0) is the major upgrade over older version HTTP/1.1 protocol.HTTP/1 was released in 1997 and a...

How to Install Apache Tomcat 9 (Alpha) on CentOS & RHEL

java version "</span><orange><span style="color: lime;">1.8.0_66</span></orange><span style="color: white;">"
Java(TM) SE Runtime Environment (build 1.8.0_66-b17)
Java HotSpot(TM) 64-Bit Server VM (build 25.66-b17, mixed mode)</span><span style="color: white; font-size: 0.9em;">

</span></pre>
<div style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
Tomcat 9 is designed to run on Java SE 8 and later. So make sure you have installed correct version on your system. If you don’t have Java installed on your system or installed lower version, use one of following link to install Java first.</div>
<ul style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin: 0px 0px 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
<li style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-size: inherit; margin: 0px 0px 0px 30px; outline: 0px; padding: 0px; vertical-align: baseline;"><span style="color: red; outline: none; text-decoration: none;"><a href="http://www.hackthesec.co.in/2016/01/how-to-install-java-8-jdk-8u66-on_22.html" style="outline: none; text-decoration: none;" target="_blank">Install Java 8 CentOS/RHEL & Fedora</a></span></li>
</ul>
<span style="background-color: white; color: #0b5394; font-family: 'Roboto Slab'; font-size: 24px; font-weight: bolder; line-height: 34px;">Step 2: Download Tomcat Archive</span><br /><div style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
Download Apache Tomcat 9 archive file using following commands or you can visit <a href="http://tomcat.apache.org/download-90.cgi">Tomcat 9 official download page</a> for download most recent available version. After downloading extract archive file in /opt directory. You may change this location as per your setup.</div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="color: white;"># cd /usr/local
# wget http://www.us.apache.org/dist/tomcat/tomcat-9/v9.0.0.M1/bin/apache-tomcat-9.0.0.M1.tar.gz
# tar </span><orange><span style="color: white;">xzf</span></orange><span style="color: white;"> apache-tomcat-9.0.0.M1.tar.gz
# mv apache-tomcat-9.0.0.M1 tomcat9</span><span style="color: white; font-size: 0.9em;">
</span></pre>
<h5 class="heading1" style="-webkit-transition: opacity 0.24s ease-in-out; background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 24px; font-weight: bolder; line-height: 34px; margin: 45px 0px 12px; opacity: 1; outline: 0px; padding: 0px; transition: opacity 0.24s ease-in-out; vertical-align: baseline; visibility: visible;">
<span style="color: #0b5394;">Step 3: Configure Environment Variables</span></h5>
<div style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
Before starting Tomcat, configure CATALINA_HOME environment variable in your system using following commands.</div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); color: white; line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"># echo "export CATALINA_HOME=\"/usr/local/tomcat9\"" >> ~/.bashrc
# source ~/.bashrc<span style="font-size: 0.9em;">
</span></pre>
<h5 class="heading1" style="-webkit-transition: opacity 0.24s ease-in-out; background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 24px; font-weight: bolder; line-height: 34px; margin: 45px 0px 12px; opacity: 1; outline: 0px; padding: 0px; transition: opacity 0.24s ease-in-out; vertical-align: baseline; visibility: visible;">
<span style="color: #0b5394;">Step 4: Setup User Accounts</span></h5>
<div style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
Finally we need to create user accounts to secure and access admin/manager pages. Edit <span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-size: inherit; font-weight: 700; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">conf/tomcat-users.xml</span> file in your editor and paste inside <span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-size: inherit; font-weight: 700; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;"><tomcat-users> </tomcat-users></span> tags.</div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="color: red;"><green></green>
</span><span style="color: white;"><role rolename="</span><orange><span style="color: lime;">manager-gui</span></orange><span style="color: white;">" />
<user username="</span><orange><span style="color: lime;">manager</span></orange><span style="color: white;">" password="</span><orange><span style="color: lime;">_SECRET_PASSWORD_</span></orange><span style="color: white;">" roles="</span><orange><span style="color: lime;">manager-gui</span></orange><span style="color: white;">" />

</span><span style="color: red;"><green></green>
</span><span style="color: white;"><role rolename="</span><orange><span style="color: lime;">admin-gui</span></orange><span style="color: white;">" />
<user username="</span><orange><span style="color: lime;">admin</span></orange><span style="color: white;">" password="</span><orange><span style="color: lime;">_SECRET_PASSWORD_</span></orange><span style="color: white;">" roles="</span><orange><span style="color: lime;">manager-gui,admin-gui</span></orange><span style="color: white;">" /></span><span style="color: white; font-size: 0.9em;">
</span></pre>
<h5 class="heading1" style="-webkit-transition: opacity 0.24s ease-in-out; background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 24px; font-weight: bolder; line-height: 34px; margin: 45px 0px 12px; opacity: 1; outline: 0px; padding: 0px; transition: opacity 0.24s ease-in-out; vertical-align: baseline; visibility: visible;">
<span style="color: #0b5394;">Step 5: Starting Tomcat</span></h5>
<div style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
Tomcat is very easy to use, There are no need to compile its source. You simple extract the archive and start the tomcat server. Tomcat by default start on port 8080, So make sure no other application using the same port.</div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); color: white; line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"># cd /usr/local/tomcat9
# ./bin/startup.sh<span style="font-size: 0.9em;">
</span></pre>
<div style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
<span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-size: inherit; font-weight: 700; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">[Sample Output]</span></div>
<pre class="pretty" style="background: none 0px 0px repeat scroll rgb(240, 240, 240); border-left-color: rgb(116, 183, 63); border-left-width: 3px; border-radius: 5px; border-style: none none none solid; line-height: 1.5em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 8px 20px 8px 18px; vertical-align: baseline;">Using CATALINA_BASE:   /usr/local/tomcat9
Using CATALINA_HOME:   /usr/local/tomcat9
Using CATALINA_TMPDIR: /usr/local/tomcat9/temp
Using JRE_HOME:        /opt/jdk1.8.0_66
Using CLASSPATH:       /usr/local/tomcat9/bin/bootstrap.jar:/usr/local/tomcat9/bin/tomcat-juli.jar
Tomcat started.<span style="font-size: 0.9em;">
</span></pre>
<h5 class="heading1" style="-webkit-transition: opacity 0.24s ease-in-out; background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 24px; font-weight: bolder; line-height: 34px; margin: 45px 0px 12px; opacity: 1; outline: 0px; padding: 0px; transition: opacity 0.24s ease-in-out; vertical-align: baseline; visibility: visible;">
<span style="color: #0b5394;">Step 6: Access Tomcat in Browser</span></h5>
<div style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
Tomcat server default works on port <span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-size: inherit; font-weight: 700; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">8080</span>. Access tomcat on web browser by connecting your server on port 8080.</div>
<div style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
<span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-size: inherit; font-weight: 700; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;"><purple>Access Tomcat Home:-</purple></span> This is default tomcat home page. There are no authentication required to access this page..</div>
<pre class="pretty" style="background: none 0px 0px repeat scroll rgb(240, 240, 240); border-left-color: rgb(116, 183, 63); border-left-width: 3px; border-radius: 5px; border-style: none none none solid; font-size: 0.9em; line-height: 1.5em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 8px 20px 8px 18px; vertical-align: baseline;">http://localhost:8080 </pre>
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhBND_tfUwPZfO4yACfqtOsgwYna0uy8m234QM9HWuvPEw2J_kaumD2pf5FUiXRkdFg_rfybkHvesYXYwfSHRaStnZciaS_4RX-SZ54rewUo2YPwTLzVhaYB6YU45pARtDJSODIKSKh3ZNq/s1600/tomcat-9_www.hackthesec.co.in.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="386" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhBND_tfUwPZfO4yACfqtOsgwYna0uy8m234QM9HWuvPEw2J_kaumD2pf5FUiXRkdFg_rfybkHvesYXYwfSHRaStnZciaS_4RX-SZ54rewUo2YPwTLzVhaYB6YU45pARtDJSODIKSKh3ZNq/s640/tomcat-9_www.hackthesec.co.in.png" width="640" /></a></div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); color: white; line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><a href="http://www.hackthesec.co.in/" target="_blank">Hack The Security</a>
<a href="https://www.twitter.com/hackthesecurity" target="_blank">Hack The Security Twitter</a>
<a href="https://www.facebook.com/htsecu/" target="_blank">Hack The Security Facebook Page</a></pre>
</div>
</div>

How to Install Apache Tomcat 9 (Alpha) on CentOS & RHEL

Apache Tomcat 9 (Alpha) on CentOS & RHEL Tomcat is developed by Apache Foundation’s. It also known as Apache Tomcat. It is opensour...

How to Install Tomcat 8.0.27 on CentOS/RHEL and Ubuntu

<div dir="ltr" style="text-align: left;" trbidi="on">
<h2 class="title single-title title20" style="-webkit-transition: opacity 0.24s ease-in-out; background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 28px; line-height: 38px; margin: 0px 0px 5px; opacity: 1; outline: 0px; padding: 0px; transition: opacity 0.24s ease-in-out; vertical-align: baseline; visibility: visible;">
<span style="color: #990000;">Tomcat 8.0.27 on CentOS/RHEL and Ubuntu</span></h2>
<div>
<div style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
Apache Tomcat is an opensource web hosting server for Java based web application. Tomcat is licensed under Apache License version 2. Apache has released stable version of Tomcat 8 on June 25, 2014. Which is available for download on its official site. Apache tomcat 8 has upgraded some features. Below are few details about Tomcat 8.</div>
<div class="separator" style="clear: both; text-align: center;">
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj4AbrpccFEXdCzDTjCpb2lvOjr5TZ8Q958mHJn2qyFb42E_MpMGzKdMw4nXRTn-3pp_kGek7hJahrs3LUfOX6Jc4OkqV0KKdpxdZr3b19yAXJYAnKi1T4xWW21YMTbfSTegvmJM9Cnz7_H/s1600/tomcat-8-centos_www.hackthesec.co.in.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="305" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj4AbrpccFEXdCzDTjCpb2lvOjr5TZ8Q958mHJn2qyFb42E_MpMGzKdMw4nXRTn-3pp_kGek7hJahrs3LUfOX6Jc4OkqV0KKdpxdZr3b19yAXJYAnKi1T4xWW21YMTbfSTegvmJM9Cnz7_H/s640/tomcat-8-centos_www.hackthesec.co.in.png" width="640" /></a></div>
<ul style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin: 0px 0px 20px; outline: 0px; padding: 0px; vertical-align: baseline;"><ul style="border: 0px; font-size: inherit; list-style: disc; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">
<li style="border: 0px; font-size: inherit; margin: 0px 0px 0px 30px; outline: 0px; padding: 0px; vertical-align: baseline;">Tomcat 8 requires JAVA 7 or Higher to work.</li>
<li style="border: 0px; font-size: inherit; margin: 0px 0px 0px 30px; outline: 0px; padding: 0px; vertical-align: baseline;">Tomcat 8 supports Java Servlet 3.1</li>
<li style="border: 0px; font-size: inherit; margin: 0px 0px 0px 30px; outline: 0px; padding: 0px; vertical-align: baseline;">Tomcat 8 supports JavaServer Pages 2.3</li>
<li style="border: 0px; font-size: inherit; margin: 0px 0px 0px 30px; outline: 0px; padding: 0px; vertical-align: baseline;">Tomcat 8 supports Java Unified Expression Language 3.0</li>
<li style="border: 0px; font-size: inherit; margin: 0px 0px 0px 30px; outline: 0px; padding: 0px; vertical-align: baseline;">Tomcat 8 supports Java WebSocket 1.0</li>
</ul>
</ul>
<div style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
This article will help you to Install Tomcat 8 on your <a href="http://www.hackthesec.co.in/search/label/Centos" target="_blank">CentOS</a>/<a href="http://www.hackthesec.co.in/search/label/RHEL" target="_blank">RHEL</a> and Ubuntu systems. Tomcat 8 stable release is available for download. To install other version of tomcat visit <a href="http://www.hackthesec.co.in/2016/01/how-to-install-tomcat-7064-server-on.html" style="outline: none; text-decoration: none;" target="_blank">Install Tomcat 7 on CentOS/RHEL</a> or <a href="http://www.hackthesec.co.in/2016/01/how-to-install-tomcat-7065-server-on.html" style="outline: none; text-decoration: none;" target="_blank">Install Tomcat 7 on Ubuntu</a> as per your operating system used.</div>
<div style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
</div>
<ul style="text-align: left;">
<li><a href="http://www.hackthesec.co.in/2016/01/how-to-install-apache-tomcat-9-alpha-on.html" target="_blank"><span style="color: red; font-size: large;">How to Install Apache Tomcat 9 (Alpha) on CentOS & RHEL </span></a></li>
<li><a href="http://www.hackthesec.co.in/2016/01/how-to-install-tomcat-7064-server-on.html" target="_blank"><span style="color: red; font-size: large;">How to Install Tomcat 7.0.64 Server on CentOS/RHEL 7/6/5</span></a></li>
</ul>
<br />
<div style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
<span style="color: #0b5394; font-size: 24px; font-weight: bolder; line-height: 34px;">Step 1: Verify JAVA</span></div>
<div style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
JAVA is the first requirement of Tomcat installation. Use following command to check if you have java installed already on your system.</div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="color: white;"># </span><orange><span style="color: lime;">java -version</span></orange><span style="color: white;">

java version "</span><orange><span style="color: lime;">1.8.0_60</span></orange><span style="color: white;">"
Java(TM) SE Runtime Environment (build 1.8.0_60-b27)
Java HotSpot(TM) 64-Bit Server VM (build 25.60-b23, mixed mode)</span><span style="color: white; font-size: 0.9em;">
</span></pre>
<div style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
Tomcat 8 is designed to run on Java SE 7 and later. So make sure you have installed correct version on your system. If you don’t have Java installed on your system or installed lower version, use one of following link to install Java first.</div>
<ul style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin: 0px 0px 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
<li style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-size: inherit; margin: 0px 0px 0px 30px; outline: 0px; padding: 0px; vertical-align: baseline;"><span style="color: red; outline: none;"><a href="http://www.hackthesec.co.in/2016/01/how-to-install-java-8-jdk-8u66-on_22.html" style="outline: none; text-decoration: none;" target="_blank">Install Java 8 CentOS/RHEL & Fedora</a></span></li>
<li style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-size: inherit; margin: 0px 0px 0px 30px; outline: 0px; padding: 0px; vertical-align: baseline;"><a href="http://www.hackthesec.co.in/2016/01/how-to-install-java-8-jdk-8u66-on.html" target="_blank"><span style="color: red;">Install Java 8 on Ubuntu</span></a></li>
</ul>
<h5 class="heading1" style="-webkit-transition: opacity 0.24s ease-in-out; background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 24px; font-weight: bolder; line-height: 34px; margin: 45px 0px 12px; opacity: 1; outline: 0px; padding: 0px; transition: opacity 0.24s ease-in-out; vertical-align: baseline; visibility: visible;">
<span style="color: #0b5394;">Step 2: Downloading Tomcat Archive</span></h5>
<div style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
Download Apache Tomcat 8 archive file using following commands or you can visit Tomcat 8 <a href="http://tomcat.apache.org/download-80.cgi" style="outline: none; text-decoration: none;" target="_blank">official download page</a> for download most recent available version. After downloading extract archive file in /opt directory. You may change this location as per your setup.</div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"><span style="color: white;"># cd /opt
# wget http://www.us.apache.org/dist/tomcat/tomcat-8/v8.0.27/bin/apache-tomcat-8.0.27.tar.gz
# tar </span><orange><span style="color: white;">xzf</span></orange><span style="color: white;"> apache-tomcat-8.0.27.tar.gz</span><span style="color: white; font-size: 0.9em;">
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<span style="color: #0b5394;">Step 3: Configure Environment Variables</span></h2>
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Before starting Tomcat, configure <span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-size: inherit; font-weight: 700; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">CATALINA_HOME</span> environment variable in your system using following commands.</div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); color: white; line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"># echo "export CATALINA_HOME=\"/opt/apache-tomcat-8.0.27\"" >> ~/.bashrc
# source ~/.bashrc<span style="font-size: 0.9em;">
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<span style="color: #0b5394;">Step 4: Starting Tomcat</span></h5>
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Tomcat is very easy to use, There are no need to compile its source. You simple extract the archive and start the tomcat server. Tomcat by default start on port 8080, So make sure no other application using the same port.</div>
<pre style="background: none 0px 0px repeat scroll rgb(60, 60, 60); border-radius: 4px; border: 1px solid rgb(229, 229, 229); color: white; line-height: 1.3em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 20px; vertical-align: baseline;"># cd /opt/apache-tomcat-8.0.27
# ./bin/startup.sh<span style="font-size: 0.9em;">
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<div style="background-color: white; border: 0px; font-family: 'Roboto Slab'; font-size: 16px; line-height: 28px; margin-bottom: 20px; outline: 0px; padding: 0px; vertical-align: baseline;">
<span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-size: inherit; font-weight: 700; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">[Sample Output]</span></div>
<pre class="pretty" style="background: none 0px 0px repeat scroll rgb(240, 240, 240); border-left-color: rgb(116, 183, 63); border-left-width: 3px; border-radius: 5px; border-style: none none none solid; line-height: 1.5em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 8px 20px 8px 18px; vertical-align: baseline;">Using CATALINA_BASE:   /opt/apache-tomcat-8.0.27
Using CATALINA_HOME:   /opt/apache-tomcat-8.0.27
Using CATALINA_TMPDIR: /opt/apache-tomcat-8.0.27/temp
Using JRE_HOME:        /opt/jdk1.8.0_60
Using CLASSPATH:       /opt/apache-tomcat-8.0.27/bin/bootstrap.jar:/opt/apache-tomcat-8.0.27/bin/tomcat-juli.jar
Tomcat started.<span style="font-size: 0.9em;">
</span></pre>
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<span style="color: #0b5394;">Step 5: Access Tomcat in Browser</span></h5>
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Tomcat server works on port <span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-size: inherit; font-weight: 700; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">8080</span> default. Access tomcat on web browser by connecting your server on port 8080.</div>
<pre class="pretty" style="background: none 0px 0px repeat scroll rgb(240, 240, 240); border-left-color: rgb(116, 183, 63); border-left-width: 3px; border-radius: 5px; border-style: none none none solid; font-size: 0.9em; line-height: 1.5em; margin-bottom: 20px; outline: 0px; overflow: auto; padding: 8px 20px 8px 18px; vertical-align: baseline;"> http://localhost:8080 </pre>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiu_bkmR9uyFXmf9n1wc5cWURGwA7v0Si4yJ1wQ6BFcXbu6fK1kGqhjcJvG-wKkYfCLbfgbP1Pb2rVEgEo7CbhNzyZ8-UXoNb5INv_RhrFpnyHMZBGdg9raW95yO0rei9MSeB-V7cIOWysr/s1600/Apache-Tomcat-8.0.27_www.hackthesec.co.in.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="418" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiu_bkmR9uyFXmf9n1wc5cWURGwA7v0Si4yJ1wQ6BFcXbu6fK1kGqhjcJvG-wKkYfCLbfgbP1Pb2rVEgEo7CbhNzyZ8-UXoNb5INv_RhrFpnyHMZBGdg9raW95yO0rei9MSeB-V7cIOWysr/s640/Apache-Tomcat-8.0.27_www.hackthesec.co.in.png" width="640" /></a></div>
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<span style="color: #0b5394; font-weight: bolder;">Step 6: Setup User Accounts</span></h5>
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Finally we need to create user accounts to secure and access admin/manager pages. Edit <span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-size: inherit; font-weight: 700; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;">conf/tomcat-users.xml</span> file in your editor and paste inside <span style="border-image-outset: initial; border-image-repeat: initial; border-image-slice: initial; border-image-source: initial; border-image-width: initial; border: 0px; font-size: inherit; font-weight: 700; margin: 0px; outline: 0px; padding: 0px; vertical-align: baseline;"><tomcat-users> </tomcat-users></span> tags.</div>
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</span><span style="color: white;"><role rolename="</span><orange><span style="color: lime;">manager-gui</span></orange><span style="color: white;">" />
<user username="</span><orange><span style="color: lime;">manager</span></orange><span style="color: white;">" password="</span><orange><span style="color: lime;">_SECRET_PASSWORD_</span></orange><span style="color: white;">" roles="</span><orange><span style="color: lime;">manager-gui</span></orange><span style="color: white;">" />

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